Home / 199,632,031.20-299,448,046.80-48,342,175.20

Finding the Fourth Proportional to 199,632,031.20, 299,448,046.80 and 48,342,175.20

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Solution

The fourth proportional to 199,632,031.20, 299,448,046.80 and 48,342,175.20 is: 72,513,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,632,031.20 : 299,448,046.80 = 48,342,175.20 : x
  2. Step 2: Convert to fraction form
    199,632,031.20/299,448,046.80 = 48,342,175.20/x
  3. Step 3: Cross multiply
    199,632,031.20x = 299,448,046.80 × 48,342,175.20
  4. Step 4: Simplify right side
    199,632,031.20x = 14,475,969,941,703,400
  5. Step 5: Solve for x
    x = 14,475,969,941,703,400/199,632,031.20
  6. Step 6: Final answer
    x = 72,513,262.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.